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Abstract: According to the characteristics of high-speed fixed-point DSP chip TMS320F206, it is proposed to use serial A/D converter TLC2558 as the analog input part of DSP system, which solves the pr...[Details]
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1 Introduction Pulse measurement is a measurement to detect whether there is a pulse. When there is a pulse, the light is blocked. When there is no pulse, the light is highly transparent. The sens...[Details]
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Among IC card public telephone systems, online public telephones have gradually gained favor due to their high confidentiality and strong scalability. This kind of public telephone system is placed...[Details]
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With the holding of the 2017 World Robot Conference, topics related to robots have quickly heated up. What problems can robots solve for us, what troubles do they bring us, and what are the develo...[Details]
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Accurate and unified time is the most basic requirement of substation automation system. Only when various automation equipment in the power system (such as fault recorders, relay protection d...[Details]
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Today's fast and complex digital designs require more physical layer analysis than ever before. Choosing the right oscilloscope can effectively help engineers perform measurements and analysis direct...[Details]
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In the field of passenger cars, CAN (FD), LIN, FlexRay, Ethernet and other communication protocols are well known, but J1939 is often little known. In fact, when the CAN bus protocol was first born...[Details]
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The digital multimeter is mainly based on the analog multimeter. The digital multimeter is a device with a digital voltmeter as the core. It converts the internal analog circuit into a digital circui...[Details]
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How to choose a digital multimeter
This article introduces the basic indicators and functions of digital multimeters, explains how to choose a digital multimeter, and introduces th...[Details]
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1. Introduction With the development of power electronics technology, power electronic devices are being used more and more widely, resulting in a large number of nonlinear loads pouring into the pow...[Details]
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This program has been tested and first published on 51hei MCU website. The circuit is very simple so I won't draw a picture.
The dot matrix has 16 pins, 8 for rows and 8 for columns. The connection m...[Details]
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This paper uses the new embedded chip LM3S1138 as the main controller to intelligently control the charging and discharging characteristics of lithium-ion rechargeable batteries and the actual ne...[Details]
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Large screen splicing system
At present, the more common large-screen splicing systems are usually divided into three main types according to the working mode of the display unit, namely LCD disp...[Details]
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At 6:00 a.m. Eastern Standard Time on March 2, 2020, according to Business Wire, Avanci announced that OPPO Guangdong Mobile Communications Co., Ltd. has joined its wireless patent licensing platform...[Details]
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AMD said on Wednesday it would cut 4% of its global workforce as it seeks a stronger position in artificial intelligence chips, a field currently dominated by Nvidia Corp. It was not immediately cl...[Details]